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Description
Analyze colored gemstone body hues and map interior inclusions using the Euromex NZ.1703-GEMF Gemological Stereo Microscope. Built on an ergonomic 9.8 kg metal base, it tilts smoothly from 0 degrees (flat horizontal) up to 45 degrees, allowing gemologists to align the viewing path with their natural eye level during all-day diamond grading. Powered by a dependable 0.67x to 4.5x Greenough zoom engine, it delivers continuous 6.7x to 45x magnification with tactile click-stops for quick verification of magnification factors.
A dual-lighting architecture handles inspection: an overhead 7W daylight-equivalent fluorescent rail casts soft, diffuse illumination over crown facets to judge color traits, while a sub-stage 30W halogen darkfield well reveals interior feathers and mineral inclusions. The darkfield well includes an internal manual iris diaphragm to block perimeter glare on small stones. The 45-degree inclined trinocular head carries an integrated 23.2 mm vertical photo channel with beam-splitter control and high-eyepoint HWF 10x/22 mm eyepieces, paired with an adjustable wire spring gem clamp that rotates 360 degrees over the light well.
Key Features of Euromex NZ.1703-GEMF Gemological Stereo Microscope
A professional trinocular gemological stereo microscope station featuring overhead 7W fluorescent lighting, a 30W halogen darkfield well, and an ergonomic 0-to-45 degree tilting stand. Combines 6.7x to 45x zoom with wide 22 mm eyepieces, a vertical camera port, and a flexible gem clamp.
- Continuous 6.7x to 45x zoom range driven by a 0.67x to 4.5x Greenough optical engine
- Overhead 7W fluorescent light rail emits diffuse daylight spectrum for surface color analysis
- Sub-stage 30W halogen darkfield condenser with adjustable internal iris diaphragm
- Ergonomic gemological base tilts smoothly from 0 degrees up to 45 degrees for posture comfort
- Dedicated vertical 23.2 mm photo port with mechanical beam splitter for digital archiving
- Flexible gem holder clamp rotates 360 degrees over the central darkfield aperture well
- High-eyepoint HWF 10x/22 mm widefield eyepieces with bilateral diopter adjustments
- Heavy 9.8 kg cast-metal chassis isolates appraisal tables from surrounding vibrations
Daylight Fluorescent Surface Rail & Darkfield Halogen Core
Evaluating colored stones under point-source LEDs can cause harsh hot spots that distort true body color. The overhead 7W fluorescent rail casts soft, diffuse daylight-equivalent illumination across crown facets, allowing accurate hue, tone, and saturation grading without glare. Below the stage, the 30W halogen darkfield lamp illuminates interior silk inclusions, zoning lines, and negative crystals against a deep black background.
0-to-45 Degree Tilting Stand & Photo Port Archiving
The tilting mechanical base lets you pivot the entire instrument back into a natural working posture, eliminating the neck aches caused by rigid vertical stands. The flexible gem clamp holds stones securely by their girdle, rotating 360 degrees so you can inspect internal facets from every angle. The integrated photo tube makes appraisal photography simple: route light to your digital sensor and capture certification-grade images for customer valuation reports.
- Diffuse 7W fluorescent rail reveals true stone color traits without blinding hot spots
- Tilting stand chassis adapts to operator height, keeping spines neutral and relaxed
- Built-in darkfield iris diaphragm cuts perimeter glare when inspecting small diamonds
Euromex Five-Year Gemological Warranty Protection
Euromex backs the NZ.1703-GEMF with a five-year factory warranty covering optical elements, internal prism alignments, and tilting stand castings, plus two years on internal electrical ballasts. The complete package contains the NexiusZoom trinocular head, specialized tilting gemological base stand with darkfield iris, 7W fluorescent light rail assembly, flexible gem clamp tool, photo port extension piece, power cord, rubber eyeguards, and manual.
Euromex NZ.1703-GEMF Gemological Stereo Microscope 6.7x-45x 30W Halogen Transmitted and 7W Fluorescent Incident Illumination Specs
| Brand | Euromex |
| Full Model Code / SKU | NZ.1703-GEMF (Classic high-durability design run) |
| Country of Origin | The Netherlands |
| Microscope Type | Professional Trinocular Gemological Stereo Zoom Microscope Station with Fluorescent Incident Lighting |
| Optical System Type | Greenough Stereo Optical Pathway Design System |
| Observation Tube Type | Trinocular Head Unit with integrated vertical photo channel interface |
| Tube Inclination & Rotation | 45° inclined viewing track, 360° rotatable head, adjustable individual interpupillary controls 54-75mm; diopter tuning; tilting stand assembly base tilts from 0° up to 45° for ergonomic gem inspection routines |
| Eyepiece / Field of Number | HWF 10x / 22 mm (Paired set, high-eyepoint layout finish) |
| Nosepiece Design | Fixed dual objective housing path structure with continuous variable zoom controls |
| Objectives Classification | Achromatic Zoom Optical Configuration (Anti-fungus treated, optimized crystal internal inclusion clarity tracing) |
| Objectives Magnification Breakdown | Continuous zoom factor 0.67x to 4.5x tracking click-stop step points for fast calculation setups |
| Total Magnification Range | 6.7x to 45x standard continuous optical zoom magnification limits |
| Focusing Type & Graduation | Dual side manual focus adjustment knobs operating a smooth rack and pinion tracking block integrated into the gem mount base |
| Stage Dimensions & Surface Coating | Gemological workspace stage featuring an integrated darkfield illumination well and equipped with an adjustable, flexible darkfield gem clamp fixture link |
| Stage Travel Range & Controls | Rotatable gem clip fixture tracking full 360° rotation loops over the central light well aperture |
| Condenser Type & Numerical Aperture | Built-in darkfield condenser unit block tracking precise inclusion edge illumination with internal manual iris diaphragm control |
| Illumination Transmitted Type | 30W high-output continuous adjustable halogen light engine located in the base (Provides true color metrics for interior gemstone inclusion grading paths) |
| Illumination Epi-EPI/Reflected | 7W overhead fluorescent light rail assembly emitting diffuse daylight equivalent spectrum to inspect gemstone surface color traits and clarity lines |
| Light Intensity Management | Independent electronic switches and continuous tuning dials for precision balance of transmitted halogen darkfield well and overhead fluorescent rail |
| Camera Port / C-Mount Adapter Split | Vertical photo port channel on top of head unit (23.2mm tube interface), beam splitter engagement pathway control |
| Contrast Methods Capability | Transmitted darkfield inclusion profiling, transmitted brightfield macro evaluation, diffuse fluorescent surface color mapping, photographic crystal logging |
| Power Supply & Voltage Input | Internal universal 100-240V AC stabilization power module line links with integrated cable management |
| Physical Dimensions & Net Weight | Base assembly 310 x 230 mm, total height approx. 460 mm, complete assembly net weight approx. 9.8 kg |
| Standard Package Accessories Included | NexiusZoom trinocular head, specialized tilting gemological base stand with darkfield iris, 7W fluorescent light bracket, flexible gem holder clamp tool, photo port extension piece, power cord, eye guards, manual |
| Primary Application & Environment | Gemstone interior inclusion grading and digital tracking, colored gemstone surface hue verification laboratory analysis, diamond facet inspection archives, high-end jewelry appraisal documentation benches |
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